.pages {
    div::-webkit-scrollbar {
        /*滚动条整体样式*/
        width: 8px;  /*高宽分别对应横竖滚动条的尺寸*/
        height: 1px;
    }
    div::-webkit-scrollbar-thumb {
        /*滚动条里面小方块*/
        border-radius: 10px;
        background-color: skyblue;
        background-image: -webkit-linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.2) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0.2) 75%,
        transparent 75%,
        transparent
    );
    }
    div::-webkit-scrollbar-track {
        /*滚动条里面轨道*/
        // box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
        background: transparent;
        border-radius: 10px;
    }
}